FGF23 p.Phe108=
c.324C>T · rs201114020 · VCV2976269
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.033%, mid)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 6.3 | GERP 1.8, phastCons 1 |
| Overall | ||
| CADD | 8.463 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.033%
Middle Eastern · 2/6,062 alleles
Filtering AF
0.00582%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00242%
Overall
0.000496%
8/1,613,952 alleles · ultra-rare
exomes 7/1,461,668 · genomes 1/152,284 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.033% | 3,031 |
| African / African-American | 0.00666% | 15,008 |
| European (non-Finnish) | 8.47e-05% | 1,179,986 |
Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.
Variant & gene context
- Gene
- FGF23
- Protein
- p.Phe108=
- Coding
- c.324C>T
- MANE Select
- NM_020638
- dbSNP
- rs201114020
- Type
- single nucleotide variant
- Location
- chr12:4370775 (GRCh38)
- Gene constraint
- LOEUF 1.608 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 77.94 · 6 PDB
Similar variants
- FGF23 p.Arg179Gln Pathogenic ★★ ⚠ same type
- FGF23 p.Arg179Trp Pathogenic/Likely pathogenic ★★ same type
- FGF23 p.Gln54His Likely pathogenic ★★ ⚠ same type
- FGF23 p.Gly123Trp Pathogenic/Likely pathogenic ★★ same type
- FGF23 p.Ser129Pro Pathogenic/Likely pathogenic ★★ same type
- FGF23 p.Ala202Val Uncertain significance ★★ ⚠ same type
- FGF23 p.Ala213Thr Uncertain significance ★★ ⚠ same type
- FGF23 p.Ala236Pro Uncertain significance ★★ ⚠ same type
Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →
Cite Sugi Variant
Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/fgf23-p-phe108 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown